feat: add native-watcher addon and include in benchmark jobs

Author: GiveMe-A-Name

bench.config.js

@@ -2,6 +2,7 @@ export default {
 	jobs: [
 		"10000_development-mode",
 		"10000_development-mode_hmr",
+		"10000_development-mode_hmr_native-watcher",
 		"10000_production-mode",
 		"10000_production-mode_persistent-cold",
 		"10000_production-mode_persistent-hot",

lib/addons/native-watcher.js

@@ -0,0 +1,10 @@
+import { Addon } from './common.js';
+
+export default class extends Addon {
+  async afterSetup(ctx) {
+    ctx.config = ctx.config + `
+module.exports.experiments = module.exports.experiments || {}
+module.exports.experiments.nativeWatcher = true
+    `;
+  }
+}